ANDROID: gki_defconfig: enable CONFIG_NLS_*

CONFIG_NLS_CODEPAGE_437 and CONFIG_NLS_ISO8859_1 are needed by cuttlefish
to pass the CTS test - StorageManagerTest#testMountAndUnmountObbNormal

Adding the remaining 47 NLS Configs to account for possible i18n
requirements not caught by CTS/VTS

Bug: 138199351
Change-Id: I897873c8454f8329f4dc53d9af71907ba71790b7
Signed-off-by: Ram Muthiah <rammuthiah@google.com>